> Products > Research and laboratory  High temperature tube furnaces High Temperature Tube Furnaces with MoSi2 heating elements T max 1700 °C and 1800 °C Tube diameter from 38 mm to 75 mm Heated length from 200 mm to 400 mm Delivery with tube made of aluminium oxide C 799 and 2 fibre plugs Double-walled housing with rear-ventilation to ensure very low outer-casing temperatures Insulation made of high grade vacuum formed aluminium oxide fibre with low thermal mass for very fast heating and cooling cycles Powerful Molybdenum-Disilicide heating elements, mounted on 2 sides parallel to the tube, fast heating Heating elements controlled by thyristors for very precise temperature control, wear-free and noiseless Switchgear and control unit integrated in the furnace housing underneath the tube module for comfortable operation of the controller, for vertically operated furnaces switchgear in a sep. cabinet Suitable for operation under inert gas or vacuum Accessories: 3-zone design for high temperature uniformity Solid base frame for vertical operation Adjustable temperature limiter to protect furnace and charge acc. EN 60519-2 For various applications different tubes (glass, ceramic, metal) available Gas-tight, water-cooled flanges and gassing systems for operation under inert gas or vacuum Further accessories see tube furnace accessories